Rename QUIC connection timeout error codes to be more descriptive.

net/quic/quic_protocol.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_QUIC_QUIC_PROTOCOL_H_
 #define NET_QUIC_QUIC_PROTOCOL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 474 matching lines @@
 
 // Because receiving an unknown QuicRstStreamErrorCode results in connection
 // teardown, we use this to make sure any errors predating a given version are
 // downgraded to the most appropriate existing error.
 NET_EXPORT_PRIVATE QuicRstStreamErrorCode
 AdjustErrorForVersion(QuicRstStreamErrorCode error_code, QuicVersion version);
 
 // These values must remain stable as they are uploaded to UMA histograms.
 // To add a new error code, use the current value of QUIC_LAST_ERROR and
 // increment QUIC_LAST_ERROR.
-// last value = 80
 enum QuicErrorCode {
   QUIC_NO_ERROR = 0,
 
   // Connection has reached an invalid state.
   QUIC_INTERNAL_ERROR = 1,
   // There were data frames after the a fin or reset.
   QUIC_STREAM_DATA_AFTER_TERMINATION = 2,
   // Control frame is malformed.
   QUIC_INVALID_PACKET_HEADER = 3,
   // Frame data is malformed.
@@ skipping 49 matching lines @@
   QUIC_PUBLIC_RESET = 19,
   // Invalid protocol version.
   QUIC_INVALID_VERSION = 20,
 
   // The Header ID for a stream was too far from the previous.
   QUIC_INVALID_HEADER_ID = 22,
   // Negotiable parameter received during handshake had invalid value.
   QUIC_INVALID_NEGOTIATED_VALUE = 23,
   // There was an error decompressing data.
   QUIC_DECOMPRESSION_FAILURE = 24,
-  // We hit our prenegotiated (or default) timeout
-  QUIC_CONNECTION_TIMED_OUT = 25,
-  // We hit our overall connection timeout
-  QUIC_CONNECTION_OVERALL_TIMED_OUT = 67,
+  // The connection timed out due to no network activity.
+  QUIC_NETWORK_IDLE_TIMEOUT = 25,
+  // The connection timed out waiting for the handshake to complete.
+  QUIC_HANDSHAKE_TIMEOUT = 67,
   // There was an error encountered migrating addresses
   QUIC_ERROR_MIGRATING_ADDRESS = 26,
   // There was an error while writing to the socket.
   QUIC_PACKET_WRITE_ERROR = 27,
   // There was an error while reading from the socket.
   QUIC_PACKET_READ_ERROR = 51,
   // We received a STREAM_FRAME with no data and no fin flag set.
   QUIC_INVALID_STREAM_FRAME = 50,
   // We received invalid data on the headers stream.
   QUIC_INVALID_HEADERS_STREAM_DATA = 56,
@@ skipping 819 matching lines @@
       : iov(iov), iov_count(iov_count), total_length(total_length) {}
 
   const struct iovec* iov;
   const int iov_count;
   const size_t total_length;
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_PROTOCOL_H_